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[hurd,commited 03/10] hurd: Make nanosleep a cancellation point
- From: Samuel Thibault <samuel dot thibault at ens-lyon dot org>
- To: libc-alpha at sourceware dot org
- Cc: Samuel Thibault <samuel dot thibault at ens-lyon dot org>, commit-hurd at gnu dot org
- Date: Mon, 10 Feb 2020 02:05:01 +0100
- Subject: [hurd,commited 03/10] hurd: Make nanosleep a cancellation point
- References: <20200210010508.428251-1-samuel.thibault@ens-lyon.org>
---
sysdeps/mach/clock_nanosleep.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/sysdeps/mach/clock_nanosleep.c b/sysdeps/mach/clock_nanosleep.c
index ae9335cb2b..23ebc15274 100644
--- a/sysdeps/mach/clock_nanosleep.c
+++ b/sysdeps/mach/clock_nanosleep.c
@@ -22,6 +22,7 @@
#include <unistd.h>
#include <posix-timer.h>
#include <shlib-compat.h>
+#include <sysdep-cancel.h>
static int
nanosleep_call (const struct timespec *req, struct timespec *rem)
@@ -39,9 +40,13 @@ nanosleep_call (const struct timespec *req, struct timespec *rem)
if (rem != NULL)
__clock_gettime (CLOCK_REALTIME, &before);
+ int cancel_oldtype = LIBC_CANCEL_ASYNC();
err = __mach_msg (NULL, MACH_RCV_MSG|MACH_RCV_TIMEOUT|MACH_RCV_INTERRUPT,
0, 0, recv, ms, MACH_PORT_NULL);
+ LIBC_CANCEL_RESET (cancel_oldtype);
+
__mach_port_destroy (mach_task_self (), recv);
+
if (err == EMACH_RCV_INTERRUPTED)
{
if (rem != NULL)
--
2.24.1